/*
 * Copyright (C) 2011 ritwik.net
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.quhaodian.server;

import java.io.PrintWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class RequestTransport implements JsonRpcServerTransport {
  
  private final HttpServletRequest req;
  private final HttpServletResponse resp;
  
  public RequestTransport(HttpServletRequest req,
                          HttpServletResponse resp) {
    this.req = req;
    this.resp = resp;
  }
  
  public String readRequest() throws Exception {
    String body = req.getParameter("body");
    return body;
  }
  
  public void writeResponse(String responseData) throws Exception {
    resp.setCharacterEncoding("UTF-8");
    resp.setContentType("text/html; charset=utf-8");
    PrintWriter out = null;
    try {
      out = resp.getWriter();
      out.print(responseData);
      out.flush();
    } finally {
      if (out != null) {
        out.close();
      }
    }
  }
}
